The TC74VHC244FT(ELK) is an advanced high-speed CMOS octal buffer fabricated with silicon gate CMOS technology. It achieves high-speed operation similar to equivalent Bipolar Schottky TTL while maintaining CMOS low power dissipation. This device is an octal buffer/line driver designed for high-speed memory systems, address decoders, clock drivers, and other bus-oriented applications.
Applications:
- High-speed memory systems
- Address decoders
- Clock drivers
- Bus-oriented applications
- Microprocessor systems
- Data transmission
Features:
- High-speed: tpd = 4.1 ns (typ.) at VCC = 5 V
- Low power dissipation: ICC = 4 μA (max) at Ta = 25 °C
- High noise immunity: VNIH = VNIL = 28 % VCC (min)
- Output drive capability: 15 LSTTL loads
- Symmetrical output impedance: |IOH| = IOL = 6 mA (min)
- Balanced propagation delays: tPLH ≈ tPHL
- Wide operating voltage range: VCC = 2 V to 5.5 V
- Pin and function compatible with 74LS244
Benefits:
- Improved system performance due to high-speed operation.
- Reduced power consumption leading to energy efficiency and extended battery life in portable devices.
- Enhanced noise immunity ensures reliable operation in noisy environments.
- Increased fan-out capability allows driving a large number of devices.
- Simplified design and reduced component count due to pin compatibility with older logic families.
Additional Details:
The TC74VHC244FT(ELK) is supplied in a TSSOP package. The device features non-inverting outputs and provides high-current drive capability suitable for driving bus lines. It operates over a wide temperature range, making it suitable for various environments. The input and output pins are designed to prevent latch-up, further ensuring reliable performance.